Flaring Cup Grinding Wheel Abrasive Material Zirconia Alumina Back Thickness 3/4 in Connector Size 5/8 in-11 Connector Type Threaded Hole Grit 14 Overall Diameter 6 in Overall Thickness 2 in Rim Thickness 1 1/2 in Primary Material Applicationn Steel Nickel Alloy Stainless Steel Titanium Tool Steel Compatible Tool Type Cup Grinder Specification NV14-R Wheel Hardness R Wheel Type Type 11 Maximum Operating Speed 6 000 RPM Series Blue Fire 4NV ZA Bond Type Resin